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From: Frederic Danis <frederic.danis@linux.intel.com>
To: linville@tuxdriver.com
Cc: kvalo@qca.qualcomm.com, linux-wireless@vger.kernel.org,
	Frederic Danis <frederic.danis@linux.intel.com>,
	ath10k@lists.infradead.org
Subject: [PATCH] ath10k: Fix ath10k_bmi_read32 macro
Date: Fri, 16 May 2014 16:13:21 +0200	[thread overview]
Message-ID: <1400249601-24899-1-git-send-email-frederic.danis@linux.intel.com> (raw)

tmp may be used uninitialized if ath10k_bmi_read_memory() returns
an error.

Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
---
 drivers/net/wireless/ath/ath10k/bmi.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/bmi.h b/drivers/net/wireless/ath/ath10k/bmi.h
index 3a9bdf51..111ab70 100644
--- a/drivers/net/wireless/ath/ath10k/bmi.h
+++ b/drivers/net/wireless/ath/ath10k/bmi.h
@@ -201,7 +201,8 @@ int ath10k_bmi_write_memory(struct ath10k *ar, u32 address,
 									\
 		addr = host_interest_item_address(HI_ITEM(item));	\
 		ret = ath10k_bmi_read_memory(ar, addr, (u8 *)&tmp, 4); \
-		*val = __le32_to_cpu(tmp);				\
+		if (!ret)						\
+			*val = __le32_to_cpu(tmp);			\
 		ret;							\
 	 })
 
-- 
1.7.9.5


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             reply	other threads:[~2014-05-16 14:13 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-16 14:13 Frederic Danis [this message]
2014-05-23  8:31 ` [PATCH] ath10k: Fix ath10k_bmi_read32 macro Kalle Valo

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